One student burned a piece of paper weighing 4.8 grams. The table below shows the mass of the materials formed by burning the paper. Material formed Mass of material (in grams) Ash 0.1 Smoke ? Dust 2.5 What is most likely the mass of the smoke formed on burning the piece of paper? (2 points) Group of answer choices 2.6 grams 2.5 grams 2.3 grams 2.2 grams
Answers: 2
Chemistry, 22.06.2019 00:00, tahjaybenloss16
The pressure inside a hydrogen-filled container was 2.10 atm at 21 ? c. what would the pressure be if the container was heated to 92 ? c ?
Answers: 2
Chemistry, 22.06.2019 03:30, ruleolivas
Asample of ammonia reacts with oxygen as shown. 4nh3(g) + 5o2(g) 4no(g) + 6h2o(g) what is the limiting reactant if 4.0 g of nh3 react with 8.0 g of oxygen? o2 because it produces only 0.20 mol of no. nh3 because it produces only 0.20 mol of no. o2 because it produces two times less no than nh3. nh3 because it produces three times more no than o2.
Answers: 3
Chemistry, 22.06.2019 12:00, sophiaa23
Which of the following is an example of physical change not a chemical change? a) a log gives off heat and light as it burns. b) a tree stores energy from the sun in its fruit. c) a penny lost in the grass slowly changes color. d) a water pipe freezes and cracks on a cold night.
Answers: 2
One student burned a piece of paper weighing 4.8 grams. The table below shows the mass of the materi...
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